mirror of
https://github.com/containers/podman.git
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110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
//go:build amd64 || arm64
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package machine
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import (
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"fmt"
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"os"
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"strings"
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"github.com/containers/podman/v5/pkg/machine/define"
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)
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// GetDevNullFiles returns pointers to Read-only and Write-only DevNull files
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func GetDevNullFiles() (*os.File, *os.File, error) {
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dnr, err := os.OpenFile(os.DevNull, os.O_RDONLY, 0755)
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if err != nil {
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return nil, nil, err
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}
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dnw, err := os.OpenFile(os.DevNull, os.O_WRONLY, 0755)
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if err != nil {
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if e := dnr.Close(); e != nil {
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err = e
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}
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return nil, nil, err
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}
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return dnr, dnw, nil
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}
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// WaitAPIAndPrintInfo prints info about the machine and does a ping test on the
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// API socket
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func WaitAPIAndPrintInfo(forwardState APIForwardingState, name, helper, forwardSock string, noInfo, rootful bool) {
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suffix := ""
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var fmtString string
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if name != define.DefaultMachineName {
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suffix = " " + name
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}
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if forwardState == NoForwarding {
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return
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}
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WaitAndPingAPI(forwardSock)
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if !noInfo {
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fmt.Printf("API forwarding listening on: %s\n", forwardSock)
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if forwardState == DockerGlobal {
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fmt.Printf("Docker API clients default to this address. You do not need to set DOCKER_HOST.\n\n")
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} else {
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stillString := "still "
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switch forwardState {
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case NotInstalled:
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fmtString = `
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The system helper service is not installed; the default Docker API socket
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address can't be used by podman. `
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if len(helper) < 1 {
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fmt.Print(fmtString)
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} else {
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fmtString += `If you would like to install it, run the following commands:
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sudo %s install
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podman machine stop%[2]s; podman machine start%[2]s
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`
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fmt.Printf(fmtString, helper, suffix)
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}
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case MachineLocal:
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fmt.Printf("\nAnother process was listening on the default Docker API socket address.\n")
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case ClaimUnsupported:
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fallthrough
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default:
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stillString = ""
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}
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fmtString = `You can %sconnect Docker API clients by setting DOCKER_HOST using the
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following command in your terminal session:
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%s
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`
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prefix := ""
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if !strings.Contains(forwardSock, "://") {
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prefix = "unix://"
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}
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fmt.Printf(fmtString, stillString, GetEnvSetString("DOCKER_HOST", prefix+forwardSock))
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}
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}
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}
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func PrintRootlessWarning(name string) {
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suffix := ""
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if name != define.DefaultMachineName {
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suffix = " " + name
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}
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fmtString := `
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This machine is currently configured in rootless mode. If your containers
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require root permissions (e.g. ports < 1024), or if you run into compatibility
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issues with non-podman clients, you can switch using the following command:
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podman machine set --rootful%s
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`
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fmt.Printf(fmtString, suffix)
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}
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